Dry cough for woman aged 45, since 20 years.

I am raising this request on behalf of my in law.. She has dry cough since 20 years and we have been taking English medicine since long time to cure. However, we are sure that the root cause was not found yet. She was gone through tonsils operation as well.,Responses:Fasting cures cough faster than anything .. please adopt 2-3 days honey lemon water fasting for the best results
Source: MSR Query